Answer:
c 18.0ml
Explanation:
The average mass of one H2O molecule is 18.02 amu. The number of atoms is an exact number, the number of mole is an exact number; they do not affect the number of significant figures. The average mass of one mole of H2O is 18.02 grams. This is stated: the molar mass of water is 18.02 g/mol.
Sandy soil because the sand will erode faster then the clay will causeing the well to cave in
A should be the correct answer because any argument based on science makes a result more logical.
The required empirical formula of the silicon oxide is SiO2.
